<template>
    <el-backtop :bottom="100">
        <div class="back-top">
            UP
        </div>
    </el-backtop>
</template>
  
<style scoped>
.back-top {
    height: 100%;
    width: 100%;
    border-radius: 10px;
    background-color: var(--el-bg-color-overlay);
    box-shadow: var(--el-box-shadow-lighter);
    text-align: center;
    line-height: 40px;
    color: #1989fa;
}
</style>
  